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HT2518: Switch Basics: Migrate your Windows files to your Mac

Learn about Switch Basics: Migrate your Windows files to your Mac

HT2518 Reset Mac

681 Views 1 Reply Latest reply: Feb 8, 2013 2:23 PM by Kappy RSS
Ehsan2013 Calculating status...
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Feb 8, 2013 2:20 PM

How can I reset Mac pro

MacBook Pro, OS X Server
  • Kappy Level 10 Level 10 (221,025 points)
    Currently Being Moderated
    Feb 8, 2013 2:23 PM (in response to Ehsan2013)

    Install or Reinstall Lion/Mountain Lion from Scratch

     

    Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.

     

    Boot to the Recovery HD:

     

    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

     

    Erase the hard drive:

     

      1. Select Disk Utility from the main menu and click on the Continue button.

     

      2. After DU loads select your startup volume (usually Macintosh HD) from the

          left side list. Click on the Erase tab in the DU main window.

     

      3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on

            the Security button and set the Zero Data option to one-pass. Click on

          the Erase button and wait until the process has completed.

     

      4. Quit DU and return to the main menu.

     

    Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.

     

    Note: You will need an active Internet connection. I suggest using Ethernet if possible

                because it is three times faster than wireless.

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